Door chock



FIG. 1 is a front perspective view of a door chock showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is right side view (the left side view being a mirror image) thereof; and,

FIG. 4 is a bottom view of thereof.

The broken lines indicate unclaimed portions of the article that form no part of the claimed design.

The parallel intermittent lines shown in FIG. 2 constitute a surface plane change. 

CLAIM The ornamental design for a door chock, as shown and described. 